transforms
| PostgreSQL 9.6.23 Documentation | |||
|---|---|---|---|
| Prev | Up | Chapter 35. The Information Schema | Next |
The view transforms contains information about the transforms defined in the current database. More precisely, it contains a row for each function contained in a transform (the "from SQL" or "to SQL" function).
Table 35-51. transforms Columns
| Name | Data Type | Description |
|---|---|---|
| udt_catalog | sql_identifier | Name of the database that contains the type the transform is for (always the current database) |
| udt_schema | sql_identifier | Name of the schema that contains the type the transform is for |
| udt_name | sql_identifier | Name of the type the transform is for |
| specific_catalog | sql_identifier | Name of the database containing the function (always the current database) |
| specific_schema | sql_identifier | Name of the schema containing the function |
| specific_name | sql_identifier | The "specific name" of the function. See Section 35.40 for more information. |
| group_name | sql_identifier | The SQL standard allows defining transforms in "groups" , and selecting a group at run time. PostgreSQL does not support this. Instead, transforms are specific to a language. As a compromise, this field contains the language the transform is for. |
| transform_type | character_data | FROM SQL or TO SQL |